Footnote

The item houses is the total sum of one off houses and multi-development houses. It does not include private flats and apartments.
For categories where floor area is a relevant measure 0 implies less than 500 square metres.
See Background Notes

N.B. County figures for Cork, Galway, Limerick and Waterford exclude city figures

From Q2 2014 onwards Limerick City and County Limerick are amalgamated to Limerick, and Waterford City and County Waterford are amalgamated to Waterford